CN210281926U - Grinder reversing gear box structure driven by handle - Google Patents
Grinder reversing gear box structure driven by handle Download PDFInfo
- Publication number
- CN210281926U CN210281926U CN201920606541.7U CN201920606541U CN210281926U CN 210281926 U CN210281926 U CN 210281926U CN 201920606541 U CN201920606541 U CN 201920606541U CN 210281926 U CN210281926 U CN 210281926U
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- gear
- output shaft
- gear box
- disc
- large disc
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Abstract
The utility model relates to a reversing gear box structure of a grinding machine driven by a handle; the gear box comprises a gear box large disc, a power input shaft, a forward output shaft and a reverse output shaft, wherein a large disc gear is coaxially and fixedly arranged on the gear box large disc, the forward output shaft and the reverse output shaft are both connected with a steering gear in a sliding manner along the axial direction, the steering gear is respectively in meshing transmission with the large disc gear through an intermediate transmission gear, and the absolute value of the difference between the number of the intermediate transmission gears between the steering gear in the sliding connection with the forward output shaft and the large disc gear and the number of the intermediate transmission gears between the large disc gear and the steering gear in the sliding connection with the reverse output shaft is 1; the utility model provides a by handle driven machine reversing gear case structure that grinds can make the machine during operation that grinds, and the gear box can just reverse rotation, has improved grinding effect and grinding efficiency.
Description
The technical field is as follows:
the utility model relates to a grind quick-witted reversing gear case structure by handle driven.
Background art:
the common grinding machine is driven by the gear box, the gear box is fixedly connected with the rack, when the grinding machine is used, the axis position of the output shaft is fixed, the rotating mode is fixed, the grinding effect is single, the efficiency is low, and the economic benefit is poor.
The utility model has the following contents:
an object of the utility model is to provide a by handle driven machine reversing gear case structure that grinds can make the machine during operation that grinds, and the gear box can just reverse rotation, has improved grinding effect and grinding efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a grinder reversing gear box structure driven by a handle is characterized in that: the large gear box disc is characterized by comprising a large gear box disc, a power input shaft, a forward output shaft and a reverse output shaft, wherein the power input shaft is coaxially arranged in the center of the large gear box disc and is rotationally connected with the large gear box disc, the forward output shaft and the reverse output shaft are respectively arranged at two ends of the same side of the large disc and are rotationally connected with the large gear box disc, a large disc gear is coaxially and fixedly arranged on the large gear box disc, the forward output shaft and the reverse output shaft are respectively connected with a steering gear in a sliding mode along the axial direction, the steering gear is respectively in meshing transmission with the large disc gear through a middle transmission gear, and the absolute value of the difference value of the number of the middle transmission gears between the steering gear which is slidably connected with the forward output shaft and the large disc.
Furthermore, the large plate gear, the steering gear and the intermediate transmission gear are arranged above the large plate of the gear box, one end of the power input shaft below the large plate of the gear box is coaxially and fixedly provided with a power input gear, one ends of the forward output shaft and the reverse output shaft below the large plate of the gear box are respectively and fixedly provided with a power output gear, and the power input gear and the power output gear are in meshing transmission through the power transmission gear which is rotationally connected with the large plate of the gear box.
Further, all through spline and steering gear sliding connection forward output shaft and reverse output shaft, forward output shaft and reverse output shaft are coaxial on the lateral wall of one side of gear box deep bid top to be equipped with the external splines, steering gear is coaxial be equipped with the gliding internal spline hole of external splines cooperation, the steering gear top is equipped with the shift fork draw-in groove of annular indent, shift fork one end is the cyclic annular card of semicircle and establishes in the shift fork draw-in groove, shift fork other end top sets firmly the pull rod of a vertical extension.
Further, the forward output shaft and the reverse output shaft are symmetrically arranged in two by taking the power input shaft as a center.
Furthermore, the pull rods corresponding to the two forward output shafts move synchronously, and the pull rods corresponding to the two reverse output shafts move synchronously.
Further, when the gear box works, the meshing transmission state between the steering gear on the forward output shaft and the large disc gear is opposite to the meshing transmission state between the steering gear on the reverse output shaft and the large disc gear.
An object of the utility model is to provide a by handle driven machine reversing gear case structure that grinds can make the machine during operation that grinds, and the gear box can just reverse rotation, has improved grinding effect and grinding efficiency.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and related drawings.
Description of the drawings:
fig. 1 is a schematic perspective view of the first embodiment of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of the spline and shift fork matching structure of the present invention.
Description of reference numerals: the gear box comprises a gear box large plate 1, a power input shaft 2, a forward output shaft 3, a reverse output shaft 4, a large plate gear 5, a steering gear 6, a middle transmission gear 7, a power input gear 8, a power output gear 9, a power transmission gear 10, an external spline 11, an internal spline hole 12, a shift fork clamping groove 13, a shift fork 14 and a pull rod 15.
The specific implementation mode is as follows:
a grinder reversing gear box structure driven by a handle comprises a gear box large disc 1, a power input shaft 2 coaxially arranged in the center of the gear box large disc and rotationally connected with the gear box large disc, a forward output shaft 3 and a reverse output shaft 4 respectively arranged at two ends of the same side of the large disc and rotationally connected with the gear box large disc, a large disc gear 5 is coaxially and fixedly arranged on the gear box large disc, the forward output shaft and the reverse output shaft are both axially and slidably connected with a steering gear 6, the steering gear is respectively in meshing transmission with the large disc gear through an intermediate transmission gear 7, and the absolute value of the difference between the number of intermediate transmission gears between the steering gear and the large disc gear which are slidably connected with the forward output shaft and the number of intermediate transmission gears between the large disc gear and the steering gear which are slidably connected with the reverse output shaft is 1;
the forward output gear and the reverse output gear are used for controlling the forward rotation and the reverse rotation of the driving large disc gear, namely the large disc of the gear box, the power of the forward output gear and the power of the reverse output gear are both from the power input shaft, the absolute value of the number difference value of the intermediate transmission gears between the forward output gear and the power input shaft is 1, so that the rotation directions of the forward output shaft and the reverse output shaft when the large disc gear is driven to rotate by the forward output gear and the reverse output gear can be ensured to be opposite, the forward output shaft and the reverse output shaft can be conveniently and respectively controlled to be in meshing transmission with the.
Furthermore, the large disc gear, the steering gear and the intermediate transmission gear are arranged above the large disc of the gear box, one end of the power input shaft below the large disc of the gear box is coaxially and fixedly provided with a power input gear 8, one ends of the forward output shaft and the reverse output shaft below the large disc of the gear box are respectively and fixedly provided with a power output gear 9, and the power input gear and the power output gear are in meshing transmission through a power transmission gear 10 which is rotationally connected with the large disc of the gear box;
the power input gear drives the two power input shafts to rotate through the power transmission gear, so that the transmission mode is simplified, the transmission efficiency is improved, and power sources do not need to be arranged for output shafts in two directions.
According to one embodiment, the forward output shaft and the reverse output shaft are both connected with a steering gear in a sliding mode through splines, external splines 11 are coaxially arranged on the outer side wall of one side, above a gear box large disc, of the forward output shaft and the reverse output shaft, an internal spline hole 12 matched with the external splines to slide is coaxially arranged on the steering gear, an annular concave shifting fork clamping groove 13 is formed above the steering gear, one end of a shifting fork 14 is clamped in the shifting fork clamping groove in a semicircular mode, and a vertically extending pull rod 15 is fixedly arranged above the other end of the shifting fork;
the spline can guarantee that relative rotation does not take place in the vertical gliding while of output shaft and steering gear, guarantees driven precision and stability, and the ascending position of steering gear axial can be controlled to the shift fork to adjust steering gear and middle drive gear's engaged state, when needing the meshing transmission, push down the shift fork, make the external tooth of steering gear and middle drive gear's external tooth contact meshing transmission, when not needing the meshing, pull up the shift fork, make the external tooth of steering gear and middle drive gear's external tooth break away from the meshing mutually.
In one embodiment, the forward output shaft and the reverse output shaft are symmetrically arranged in two by taking the power input shaft as a center,
both sides set up the output shaft respectively and can offset some rotation torque, guarantee pivoted stability and rotation efficiency.
Furthermore, the pull rods corresponding to the two forward output shafts move synchronously, and the pull rods corresponding to the two reverse output shafts move synchronously.
Further, when the gearbox works, the meshing transmission state between the steering gear on the forward output shaft and the large disc gear is opposite to the meshing transmission state between the steering gear on the reverse output shaft and the large disc gear;
when the gear box works, only one of the forward output shaft and the reverse output shaft can be in meshing transmission with the gear large disc at the same moment, so that mutual interference of rotation is ensured, and the gear clamping in the rotation process is prevented from damaging equipment and threatening the safety of personnel.
An object of the utility model is to provide a by handle driven machine reversing gear case structure that grinds can make the machine during operation that grinds, and the gear box can just reverse rotation, has improved grinding effect and grinding efficiency.
The above-mentioned preferred embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (6)
1. A grinder reversing gear box structure driven by a handle is characterized in that: the large gear box disc is characterized by comprising a large gear box disc, a power input shaft, a forward output shaft and a reverse output shaft, wherein the power input shaft is coaxially arranged in the center of the large gear box disc and is rotationally connected with the large gear box disc, the forward output shaft and the reverse output shaft are respectively arranged at two ends of the same side of the large disc and are rotationally connected with the large gear box disc, a large disc gear is coaxially and fixedly arranged on the large gear box disc, the forward output shaft and the reverse output shaft are respectively connected with a steering gear in a sliding mode along the axial direction, the steering gear is respectively in meshing transmission with the large disc gear through a middle transmission gear, and the absolute value of the difference value of the number of the middle transmission gears between the steering gear which is slidably connected with the forward output shaft and the large disc.
2. A handle driven grinding mill reversing gearbox arrangement according to claim 1, characterised in that: the large disc gear, the steering gear and the intermediate transmission gear are arranged above the large disc of the gear box, one end of the power input shaft below the large disc of the gear box is coaxially and fixedly provided with a power input gear, one ends of the forward output shaft and the reverse output shaft below the large disc of the gear box are respectively and fixedly provided with a power output gear, and the power input gear and the power output gear are in meshing transmission through the power transmission gear which is in rotating connection with the large disc of the gear box.
3. A handle driven grinding mill reversing gearbox arrangement according to claim 1, characterised in that: the gearbox is characterized in that the forward output shaft and the reverse output shaft are connected with the steering gear in a sliding mode through splines, outer splines are coaxially arranged on the outer side wall of one side, above the gearbox main plate, of the forward output shaft and the reverse output shaft, inner spline holes matched with the outer splines are coaxially arranged on the steering gear, annular concave shifting fork clamping grooves are formed in the upper portion of the steering gear, one end of a shifting fork is clamped in the shifting fork clamping grooves in a semicircular mode, and a pull rod extending vertically is fixedly arranged above the other end of the shifting fork.
4. A handle driven grinding mill reversing gearbox arrangement according to claim 1, characterised in that: the positive output shaft and the reverse output shaft are symmetrically arranged in two by taking the power input shaft as a center.
5. A handle driven grinding mill reversing gearbox arrangement according to claim 4, characterised in that: and the pull rods corresponding to the two forward output shafts move synchronously, and the pull rods corresponding to the two reverse output shafts move synchronously.
6. A handle driven grinding mill reversing gearbox arrangement according to claim 1, characterised in that: when the gear box works, the meshing transmission state between the steering gear on the forward output shaft and the large disc gear is opposite to the meshing transmission state between the steering gear on the reverse output shaft and the large disc gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606541.7U CN210281926U (en) | 2019-04-29 | 2019-04-29 | Grinder reversing gear box structure driven by handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920606541.7U CN210281926U (en) | 2019-04-29 | 2019-04-29 | Grinder reversing gear box structure driven by handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210281926U true CN210281926U (en) | 2020-04-10 |
Family
ID=70068516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920606541.7U Expired - Fee Related CN210281926U (en) | 2019-04-29 | 2019-04-29 | Grinder reversing gear box structure driven by handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210281926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470893A (en) * | 2020-05-11 | 2020-07-31 | 肇庆学院 | Power conversion and transmission system in aerobic fermentation reactor |
-
2019
- 2019-04-29 CN CN201920606541.7U patent/CN210281926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111470893A (en) * | 2020-05-11 | 2020-07-31 | 肇庆学院 | Power conversion and transmission system in aerobic fermentation reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210429 |